We are working round the clock to reunite customers with their bags. We are very sorry that this process is taking longer than anticipated, and we fully understand the frustration this is causing.
The baggage system in Terminal 5 has experienced a number of problems since Thursday. This has resulted in fewer than expected bags being transported each day. The process of getting the delayed bags on to the next available flight has also been affected.
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British police have closed some traffic outside the road leading to 10 Downing Street.
Metropolitan Police officer, Tom Harrison, has been crawling the course since the race began on Sunday morning.
The Old Bailey heard how Syed tried to get weapons online, including a bomb vest, and trawled the web to find a busy area launch an attack.